Formulas and properties
Calculate
Perimeter
Triangles and Trapezoids
100

What shape is this?

Parallelogram

100

Find the area of the rectangle to the nearest 2 d.p


36.54 ft2

100

What is perimeter?

Sum of all sides 


100

Find the area of a rectangle when the l = 7m and w = 9 m?

What is 63 sq. meters

200

What is the Area formula for a trapezoid?

A = (b1 + b2)*h/2

200

What is the area of this triangle to the nearest 1 d.p?

A = 10.3 ft2

200

Calculate the perimeter of the shape below:

20

200

Find the area of the parallelogram when the b = 6 in. and h = 7 in.

What is 42 sq. inches?

300

What shape has all equal sides, and four 90 degree angles?

Square

300

Find the area of the parallelogram with a base of 13.5m and a height of 12.5m

168.75m2

300

calculate the perimeter of the shape below:

36 cm

300

Find the area of the parallelogram above

30 cm 2

400

Height is always at a _____ angle?

right or 90 degree

400

What is the area if a triangle if the base is 3.5 cm and the height is 7 cm?

A = 12.25 cm2

400

What is the perimeter of this shape:

40 units

400

What is the area of a trapezoid whose b1 = 9 in., b2 = 5 in. and h = 6 in.?

What is 42 sq. in.?

500

Name 2 shapes that has 2 parallel sides.

Parallelogram and Rectangle 


500

Calculate the area of the shape

35yd2

500

What is the perimeter of this shape:

70 mm

500

What is the area of the trapezoid? Round answer to 1 decimal point (nearest 10th)

What is 167.6 sq. m.?

600

3 containers of frosting

600

Calculate the area of the shape above.

27cm2

600

Find the perimeter:

38cm

600

The area of trapezoid is 162 sq. inches, the base 1 is 24 inches, base 2 is 12 inches, so what is the height?

What is 9 inches?